Ilanit Marx, DNP
NPI 1275356628 · Gerontology Nurse Practitioner · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ilanit Marx, DNP is a Gerontology Nurse Practitioner provider in Grand Rapids, MI (NPI 1275356628).
Provider details
- NPI number
- 1275356628
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP
- Sex
- Female
- Sole proprietor
- No
- License
- AG06240161 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-11-04
- Last updated
- 2025-07-08
- Certified
- 2025-07-08
Frequently asked questions
- What is Ilanit Marx's NPI number?
- Ilanit Marx's National Provider Identifier (NPI) is 1275356628, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ilanit Marx's specialty?
- Ilanit Marx is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ilanit Marx located?
- Ilanit Marx's practice location on file with NPPES is 145 Michigan St Ne Ste 3410, Grand Rapids, MI 49503-2563.
- What is Ilanit Marx's phone number?
- The practice phone number listed in the NPPES registry for Ilanit Marx is (616) 391-9945.
- Does Ilanit Marx accept Medicare?
- Ilanit Marx is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ilanit Marx's NPI active?
- Yes — Ilanit Marx's NPI (1275356628) is active in the NPPES registry as of the last update on 2025-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.